last hour(not add -1hr) data in sql

I am trying to get last hour data such a that, if getdate() is returning me '2016-11-14 13:09:09.653' then i want data from '2016-11-14 11:00:00.000' to '2016-11-14 12:00:00.000' not just 12:09 to 01:00.